5B3I:
reference: Structural and functional insights into thermally stable cytochrome c' from a thermophile., Fujii S, Oki H, Kawahara K, Yamane D, Yamanaka M, Maruno T, Kobayashi Y, Masanari M, Wakai S, Nishihara H, Ohkubo T, Sambongi Y, Protein Sci. 2017 Jan 18. doi: 10.1002/pro.3120. PMID: 28097774

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